Markel B00BJQINCG
Markel Electric Unit Heater User Manual
Model: B00BJQINCG | Brand: Markel
Important Safety Information

An angled view of the Markel Electric Unit Heater, showing its beige-brown casing, front louvers, and side vents. A caution label is visible on the lower right side.
CAUTION: High temperature, risk of fire. Keep electrical cords, drapery, furnishings and other combustibles at least 3 feet (0.9m) from the front of the heater and away from the side and rear. Disconnect all power supplies before servicing.
Always read and understand all safety warnings and instructions before installing, operating, or servicing this unit heater. Failure to do so may result in property damage, personal injury, or death.
Product Overview
The Markel Electric Unit Heater is a robust heating solution designed for industrial and commercial applications. This unit provides efficient heating with a powerful fan and durable construction.
Key Features:
- Heater Voltage: 208VAC
- Power Output: 5.0 kW, 17,100/12,800 BtuH
- Phase: 1/3 Electric Heater Phase
- Amperage: 24.1/13.9 Amps AC
- Frequency: 60 Hz
- Mounting Options: Ceiling, Wall
- Temperature Rise: 40 Degrees F
- Air Flow: 400 cfm
- Housing Material: 18 ga. Steel with Beige Brown Powder Coated finish
- Special Features: Portable, Adjustable Temperature, Overheat Protection
- Indoor Usage Only
Setup and Installation
This electric unit heater is designed for permanent installation on ceilings or walls. Proper installation by a qualified electrician is crucial to ensure safe and efficient operation.
Mounting
- Ensure the mounting surface (ceiling or wall) is structurally sound and capable of supporting the heater's weight.
- Maintain adequate clearance from combustible materials as specified in the safety information (at least 3 feet from the front, side, and rear).
- For ceiling mounting, ensure the vertical mounting height does not exceed 9 ft.
- Utilize appropriate mounting hardware (not included) suitable for the heater's weight and the chosen mounting surface.
Electrical Connection
- The heater requires a 208VAC power supply. Verify your electrical system matches this requirement.
- All wiring must comply with national and local electrical codes.
- Ensure the power supply is disconnected at the circuit breaker before beginning any wiring.
- Connect the heater to a dedicated circuit with appropriate overcurrent protection.
Operating Instructions
Once properly installed and connected to power, the Markel Electric Unit Heater is ready for operation.
- Power On: Restore power to the heater at the circuit breaker.
- Set Temperature: Use the integrated thermostat or external control (if applicable) to set the desired room temperature. The heater will cycle on and off to maintain this setting.
- Air Flow Adjustment: The front louvers can be adjusted to direct the heated air flow horizontally up to 12 ft.
- Overheat Protection: This unit is equipped with an overheat protection feature that will automatically shut off the heater if internal temperatures exceed safe limits. If this occurs, disconnect power, allow the unit to cool, and then investigate the cause before restoring power.
- Power Off: To turn off the heater, lower the thermostat setting or disconnect power at the circuit breaker for complete shutdown.
Maintenance
Regular maintenance ensures the longevity and efficient operation of your Markel Electric Unit Heater. Always disconnect power before performing any maintenance.
- Cleaning: Periodically clean the exterior of the heater with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Fan and Heating Elements: Annually, or more frequently in dusty environments, inspect the fan blades and heating elements for dust and debris accumulation. Carefully clean with a soft brush or vacuum cleaner. Ensure no foreign objects obstruct the air intake or exhaust.
- Electrical Connections: Have a qualified electrician inspect electrical connections annually for tightness and signs of wear.
- General Inspection: Check for any visible damage to the casing, louvers, or mounting hardware. Address any issues promptly.
Troubleshooting
If your Markel Electric Unit Heater is not functioning as expected, consult the following common issues and solutions. For problems not listed here, contact qualified service personnel.
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power supply; tripped circuit breaker; thermostat set too low; overheat protection activated. | Check power connection; reset circuit breaker; raise thermostat setting; allow unit to cool and reset. |
| Heater runs but no heat. | Heating elements faulty; fan motor issue. | Disconnect power and contact a qualified technician for inspection and repair. |
| Reduced air flow. | Obstructed air intake/exhaust; dirty fan blades. | Disconnect power and clean fan blades and clear obstructions. |
| Unusual noises. | Loose components; fan motor bearing issue. | Disconnect power and inspect for loose parts. If noise persists, contact service. |
Technical Specifications
| Specification | Value |
|---|---|
| Heater Voltage | 208VAC |
| Power Output | 5.0 kW |
| BtuH | 17,100/12,800 |
| Phase | 1/3 Electric Heater Phase |
| Amps AC | 24.1/13.9 |
| Frequency | 60 Hz |
| Mounting Type | Ceiling, Wall |
| Temperature Rise | 40 Degrees F |
| Air Flow | 400 cfm |
| Width | 14-15/32 In. |
| Depth | 6-1/2 In. |
| Height | 17-3/4 In. |
| Horizontal Air Throw | 12 ft. |
| Vertical Mounting Height | 9 ft. |
| Housing Material | 18 ga. Steel |
| Housing Finish | Beige Brown Powder Coated |
| Contactor Coil Voltage | 208 |
| Item Weight | 1.56 Pounds |
| Manufacturer | MARKEL PRODUCTS |
| Special Feature | Portable, Adjustable Temperature, Overheat Protection |
| Color | Beige Brown |
| Form Factor | Wall-mount |
| Indoor/Outdoor Usage | Indoor |
Warranty and Customer Support
Markel products are manufactured to high-quality standards and are typically covered by a limited warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official Markel website.
If you require technical assistance, parts, or service, please contact Markel customer support. Have your model number (B00BJQINCG) and purchase date ready when contacting support.
For more information, you may visit the Markel Store on Amazon.
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